9749229479 has 16 divisors (see below), whose sum is σ = 11853838080. Its totient is φ = 7902552960.

The previous prime is 9749229467. The next prime is 9749229577.

9749229479 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9749229479 - 2¹² = 9749225383 is a prime.

It is a super-2 number, since 2×9749229479² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9749229179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368419 + ... + 1375524.

It is an arithmetic number, because the mean of its divisors is an integer number (740864880).

Almost surely, 2^9749229479 is an apocalyptic number.

9749229479 is a deficient number, since it is larger than the sum of its proper divisors (2104608601).

9749229479 is a wasteful number, since it uses less digits than its factorization.

9749229479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743990.

The product of its digits is 20575296, while the sum is 62.

The square root of 9749229479 is about 98738.1865288197. The cubic root of 9749229479 is about 2136.2730629008.

The spelling of 9749229479 in words is "nine billion, seven hundred forty-nine million, two hundred twenty-nine thousand, four hundred seventy-nine".